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EP0713854
European procedure
Extract from the Register of European Patents
EP About this file: EP0713854
| EP0713854 - Process for purifying crude (meth)acrylic acid [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 26.03.1999 Database last updated on 22.08.2024 | Most recent event Tooltip | 27.06.2008 | Change - applicant | published on 30.07.2008 [2008/31] | Applicant(s) | For all designated states BASF Aktiengesellschaft Carl-Bosch-Strasse 38 67063 Ludwigshafen / DE | [2008/31] |
| Former [1998/21] | For all designated states BASF AKTIENGESELLSCHAFT 67056 Ludwigshafen / DE | ||
| Former [1996/22] | For all designated states BASF AKTIENGESELLSCHAFT D-67056 Ludwigshafen / DE | Inventor(s) | 01 /
Herbst, Holger, Dr. Tannenstr. 2b D-67227 Frankenthal / DE | 02 /
Nestler, Gerhard, Dr. Mundenheimer Str. 170 D-67061 Ludwigshafen / DE | 03 /
Darlington, Jerry 132 Spruce Lake Jackson, Texas 77566 / US | 04 /
Martan, Hans, Dr. Mozartstr. 62 D-67227 Frankenthal / DE | [1996/22] | Application number, filing date | 95117892.0 | 14.11.1995 | [1996/22] | Priority number, date | US19940347131 | 23.11.1994 Original published format: US 347131 | [1996/22] | Filing language | DE | Procedural language | DE | Publication | Type: | A1 Application with search report | No.: | EP0713854 | Date: | 29.05.1996 | Language: | DE | [1996/22] | Type: | B1 Patent specification | No.: | EP0713854 | Date: | 20.05.1998 | Language: | DE | [1998/21] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 14.03.1996 | Classification | IPC: | C07C57/04, C07C51/50, C07C51/487 | [1996/22] | CPC: |
C07C51/44 (EP,US);
C07C51/487 (KR);
Y10S203/22 (EP,US)
| C-Set: |
C07C51/44, C07C57/04 (EP,US)
| Designated contracting states | BE, DE, DK, ES, FR, GB, IT, NL [1996/22] | Title | German: | Verfahren zur Reinigung von Roh-(Meth)acrylsäure | [1996/22] | English: | Process for purifying crude (meth)acrylic acid | [1996/22] | French: | Procédé de purification de l'acide (méth)acrylique brut | [1996/22] | Examination procedure | 28.03.1996 | Examination requested [1996/22] | 09.09.1997 | Despatch of communication of intention to grant (Approval: Yes) | 12.11.1997 | Communication of intention to grant the patent | 15.12.1997 | Fee for grant paid | 15.12.1997 | Fee for publishing/printing paid | Opposition(s) | 23.02.1999 | No opposition filed within time limit [1999/19] | Fees paid | Renewal fee | 28.11.1997 | Renewal fee patent year 03 |
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| Responsibility for the accuracy, completeness or quality of the data displayed under the link provided lies entirely with the Unified Patent Court. | Documents cited: | Search | [Y]EP0434080 (ATOCHEM NORTH AMERICA [US]) [Y] 1 * page 27, line 23 - line 30 * * page 28, line 29 - line 30 * * page 28, line 48 - line 53 * * page 41; example 29 * * claims 1,21,22 *; | [Y]EP0613924 (BRIDGESTONE CORP [JP]) [Y] 1 * claim 1 * | by applicant | EP0297445 | DE2136396 | EP0169254 | DE2207184 | EP0102642 | GB1346737 | EP0270999 | DE4335172 | JPS50117716 | EP0092097 | EP0058927 | DE4023239 | DE4132263 | DE4132684 | DE4201697 | DE4302991 |